This Remington manufactured carrier assembly is for the model 512 Sportmaster bolt action rimfire rifle and is in very good condition with light wear and powder residue staining.This assembly consists of the carrier, carrier spacer bushing, carrier tension spring and the cartridge stop.  (file photo)

Note: Remington model 512 Sportmaster bolt action rimfire rifles with the following date codes have been observed with this part: (KK) May 1941, (XK) December 1941, (CL) April 1942, (CSS) April 1947, (KSS) May 1947, (OSS) July 1947, (DSS) September 1947, (BTT) January 1948, (ATT) March 1948, (PZZ) June 1953, (LA) February 1954, (PC) June 1956, (EF) October 1959, (XF) December 1959 & (PH) June 1961